/* ============================================================
   GAMEVENDORS - Dark Gaming Design System
   Font: Outfit (headings), Inter (body) via Google Fonts
   Color Palette:
     Background:  #0D1117 (deep navy black)
     Surface:     #161B22 (card surface)
     Border:      #21262D (subtle borders)
     Primary:     #4F8EF7 (electric blue)
     Accent:      #39D353 (neon green)
     Danger:      #F85149 (red)
     Warning:     #E3B341 (gold)
     Text:        #E6EDF3 (primary text)
     Muted:       #8B949E (secondary text)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --bg-primary:    #0D1117;
  --bg-surface:    #161B22;
  --bg-card:       #1C2128;
  --bg-hover:      #21262D;
  --border:        #30363D;
  --border-light:  #21262D;
  --primary:       #4F8EF7;
  --primary-dark:  #3B7DE8;
  --primary-glow:  rgba(79, 142, 247, 0.2);
  --accent:        #39D353;
  --accent-dark:   #2ea043;
  --accent-glow:   rgba(57, 211, 83, 0.2);
  --danger:        #F85149;
  --danger-glow:   rgba(248, 81, 73, 0.2);
  --warning:       #E3B341;
  --warning-glow:  rgba(227, 179, 65, 0.2);
  --purple:        #B392F0;
  --purple-glow:   rgba(179, 146, 240, 0.2);
  --text-primary:  #E6EDF3;
  --text-secondary: #8B949E;
  --text-muted:    #484F58;
  --font-heading:  'Outfit', sans-serif;
  --font-body:     'Inter', sans-serif;
  --radius-sm:     6px;
  --radius:        10px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.4);
  --shadow:        0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.6);
  --transition:    0.2s ease;
  --transition-slow: 0.4s ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: #7aaeff; }

img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== CONTAINER ===== */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 800px; }
.container-lg { max-width: 1440px; }

/* ===== GRID ===== */
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-5 { grid-template-columns: repeat(5, 1fr); gap: 20px; }

/* ===== FLEX ===== */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.navbar-brand span.accent { color: var(--primary); }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Cart icon with badge */
.cart-btn {
  position: relative;
  color: var(--text-secondary);
  font-size: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  background: transparent;
  border: none;
}

.cart-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* User menu */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition);
}

.user-avatar:hover { border-color: var(--primary); }

.user-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 100;
}

.user-menu:hover .user-dropdown,
.user-dropdown:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}

.dropdown-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.dropdown-item.danger:hover { background: var(--danger-glow); color: var(--danger); }
.dropdown-divider { height: 1px; background: var(--border); margin: 6px 0; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); color: white; box-shadow: 0 4px 20px var(--primary-glow); }

.btn-accent {
  background: var(--accent);
  color: #0D1117;
  border-color: var(--accent);
  font-weight: 700;
}
.btn-accent:hover { background: var(--accent-dark); color: #0D1117; box-shadow: 0 4px 20px var(--accent-glow); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-outline:hover { background: var(--bg-hover); border-color: var(--text-secondary); }

.btn-outline-primary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-primary:hover { background: var(--primary-glow); }

.btn-danger {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}
.btn-danger:hover { box-shadow: 0 4px 20px var(--danger-glow); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-xl { padding: 18px 36px; font-size: 18px; font-family: var(--font-heading); font-weight: 700; }
.btn-block { width: 100%; }
.btn-icon { width: 40px; height: 40px; padding: 0; }

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
}

.card:hover { border-color: var(--border); box-shadow: var(--shadow); }
.card-hover:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.5); border-color: var(--primary); }

.card-body { padding: 24px; }
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--border); background: var(--bg-surface); }

/* Product card */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6), 0 0 0 1px var(--primary-glow);
}

.product-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.product-card-body {
  padding: 16px;
}

.product-card-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-card-price {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.product-card-seller {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  background: var(--accent);
  color: #0D1117;
}

/* Category card */
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(79, 142, 247, 0.05));
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.category-card:hover::before { opacity: 1; }

.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary-glow), var(--shadow-lg);
}

.category-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 16px;
}

.category-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}

.category-count {
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 80px 0 100px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(79,142,247,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.3);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== SECTION TITLES ===== */
.section-header {
  margin-bottom: 40px;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
}

.section-subtitle {
  color: var(--text-secondary);
  margin-top: 8px;
  font-size: 16px;
}

/* ===== FORMS ===== */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-control {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 100px; }

.form-error {
  display: block;
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
}

/* ===== ALERTS ===== */
.alert {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.alert-success { background: var(--accent-glow); border: 1px solid var(--accent); color: var(--accent); }
.alert-error   { background: var(--danger-glow); border: 1px solid var(--danger); color: var(--danger); }
.alert-warning { background: var(--warning-glow); border: 1px solid var(--warning); color: var(--warning); }
.alert-info    { background: var(--primary-glow); border: 1px solid var(--primary); color: var(--primary); }

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.badge-success { background: var(--accent-glow); color: var(--accent); border: 1px solid var(--accent); }
.badge-danger  { background: var(--danger-glow); color: var(--danger); border: 1px solid var(--danger); }
.badge-warning { background: var(--warning-glow); color: var(--warning); border: 1px solid var(--warning); }
.badge-primary { background: var(--primary-glow); color: var(--primary); border: 1px solid var(--primary); }
.badge-muted   { background: var(--bg-hover); color: var(--text-muted); border: 1px solid var(--border); }

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th {
  background: var(--bg-surface);
  padding: 14px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--bg-hover); }

/* ===== AUTH PAGES ===== */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.auth-wrapper::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -25%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(79,142,247,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.auth-wrapper::after {
  content: '';
  position: absolute;
  bottom: -50%;
  right: -25%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(57,211,83,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo .brand {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 900;
  color: var(--text-primary);
}

.auth-logo .brand span { color: var(--primary); }

.auth-title {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 32px;
}

/* ===== SIDEBAR LAYOUT ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
}

.sidebar-user {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-user-info .user-name {
  font-weight: 600;
  font-size: 14px;
}

.sidebar-user-info .user-role {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.sidebar-nav { padding: 12px 12px; flex: 1; }

.sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 8px 6px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  margin-bottom: 2px;
}

.sidebar-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-link.active {
  background: var(--primary-glow);
  color: var(--primary);
  font-weight: 600;
}

.sidebar-link .icon { font-size: 18px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}

.main-content {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  background: var(--bg-primary);
}

.main-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
}

.main-body { padding: 32px; }

/* ===== STAT CARDS ===== */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: all var(--transition);
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.stat-icon.blue   { background: var(--primary-glow); }
.stat-icon.green  { background: var(--accent-glow); }
.stat-icon.purple { background: var(--purple-glow); }
.stat-icon.red    { background: var(--danger-glow); }
.stat-icon.gold   { background: var(--warning-glow); }

.stat-value {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== CHAT WIDGET ===== */
.chat-wrapper {
  display: flex;
  flex-direction: column;
  height: 600px;
  max-height: 80vh;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.chat-header {
  padding: 16px 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-msg {
  display: flex;
  gap: 10px;
  max-width: 80%;
}

.chat-msg.sent { margin-left: auto; flex-direction: row-reverse; }

.chat-bubble {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.5;
}

.chat-msg.received .chat-bubble {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-radius: 4px var(--radius) var(--radius) var(--radius);
}

.chat-msg.sent .chat-bubble {
  background: var(--primary);
  color: white;
  border-radius: var(--radius) 4px var(--radius) var(--radius);
}

.chat-time { font-size: 10px; color: var(--text-muted); margin-top: 4px; }

.chat-input-area {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}

.chat-input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
}

.chat-input:focus { border-color: var(--primary); }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 12px;
}

.footer-desc { color: var(--text-muted); font-size: 14px; line-height: 1.7; }

.footer-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-links { display: flex; flex-direction: column; gap: 8px; }

.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--text-primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== GLOW EFFECTS ===== */
.glow-primary { box-shadow: 0 0 20px var(--primary-glow); }
.glow-accent  { box-shadow: 0 0 20px var(--accent-glow); }

/* ===== DIVIDER ===== */
.divider { height: 1px; background: var(--border); margin: 24px 0; }

/* ===== AVATAR ===== */
.avatar {
  border-radius: 50%;
  object-fit: cover;
  background: linear-gradient(135deg, var(--primary), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
}

/* ===== STAR RATING ===== */
.stars { color: var(--warning); font-size: 14px; }

/* ===== PAGINATION ===== */
.pagination { display: flex; gap: 6px; align-items: center; justify-content: center; margin-top: 32px; }

.page-item {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.page-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.page-item.active { background: var(--primary); border-color: var(--primary); color: white; }

/* ===== SPINNER ===== */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== PULSE ANIMATION ===== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

/* ===== FADE IN ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.4s ease forwards; }

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-primary-c { color: var(--primary); }
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--text-muted); }
.text-danger  { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-lg { font-size: 18px; }
.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.p-3 { padding: 24px; }
.hidden { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.w-full { width: 100%; }
.rounded { border-radius: var(--radius); }
.rounded-full { border-radius: 50%; }
.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }
.pointer { cursor: pointer; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .grid-5 { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .navbar-nav { display: none; }
  .sidebar { transform: translateX(-100%); transition: transform 0.3s ease; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 32px; }
  .auth-card { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .grid-2 { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .main-body { padding: 20px; }
}

/* ===== GLASSMORPHISM UTILITY ===== */
.glass {
  background: rgba(22, 27, 34, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(48, 54, 61, 0.8);
}

/* ===== SELLER STORE BANNER ===== */
.store-banner {
  height: 240px;
  background: linear-gradient(135deg, #1a2742, #0d1117);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  margin-bottom: 32px;
}

.store-banner img { width: 100%; height: 100%; object-fit: cover; }

.store-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,17,23,0.9) 0%, transparent 60%);
}

.store-info {
  position: absolute;
  bottom: 24px;
  left: 32px;
  display: flex;
  align-items: flex-end;
  gap: 20px;
}

.store-logo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius);
  border: 3px solid var(--border);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  overflow: hidden;
  flex-shrink: 0;
}

/* ===== PAYMENT PAGE ===== */
.payment-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.payment-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 500px;
  width: 100%;
  text-align: center;
}

/* ===== MOBILE MENU TOGGLE ===== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
}

@media (max-width: 768px) {
  .mobile-menu-toggle { display: flex; }
}